Power Plant Engine Type......................Dual Turbocharged Four-stroke Diesel Model.......................................................GM16V265H (1,010 cu' in' displacement per cylinder) Number of Cylinders................................................16 Full Speed...................................................1000 RPM Idle Speed, Low...............................................300 RPM Radiator Fans...........Phase I version has 3, Phase II version has 2 Electrical System Main (traction) Alternator.......................................TA22 Maximum Potential..........................................2800 VDC Max. Continuous Current......................................8100 A Companion Alternator.............................................CA8B Nominal Potential.......................................200/400 VAC AC Auxilary Generator...........................................A8589 Rectified Petential..........................................74 VDC Maximum Power Output..........................................18 kW Locomotive Batteries...................................EXIDE LMUD-660 Number............................................................2 Number of Cells (each)...........................................16 Potential (each).............................................32 VDC Rating (8 Hour)........................................660 Amp. Hr. Trucks Model...................................................HTCR (radial) Axles..........................................................3 each Traction Motors...............................................1TB2830 Number............................................................6 Type...........................................3 Phase AC Induction Rating.....................................................755 amps Gear Ratio......................................................83:16 Wheel Diameter....................................................44" Journal Bearings...............................................Timken <-- Brake Shoes................................................. <-- Maximum Speed (computer limited)...............................75 mph (computer limited) Minimum Continuous Speed........................................8 mph <-- Air Brake System Type............................................................Wabco Model........................................................EPIC3102 Schedule..........................................................26L Air Compressor.....................................WLA (motor driven) Type........................................................2-Stage Number of Cylinders...............................................4 Displacement @ 900 RPM.............................254 Cu. Ft./Min. Cooling Medium.......................................Engine Coolant Lube Oil Capacity (20 Wt.).............................17.5 US Gal. Traction Starting Tractive Effort..................................200,000 lbs Continuous Tractive Effort................................170,000 lbs Dynamic Brake Effort......................................115,000 lbs Adhesion.......................................................... <-- Supplies/Capacities Lube Oil System..............................................495 Gal. Cooling System...............................................276 Gal. Sanding System.............................................40 Cu. Ft. Fuel........................................................5800 Gal. Retention Tank*............................................100 Gal. *retention tank reduces fuel tank capacity by approximately 100 gallons. Fuel Consumption Normal Idle................................................2.7 Gal/Hr Full Throttle............................................266.4 Gal/Hr Dimensions/Clearances Length.........................................................80' 2" Width (Nominal)..............................................10' 3.5" Over Underframe............................................10'0.75" Over Snowplow................................................10' 1" Over Wind Deflectors.....................................10' 11.25" Height (Nominal)..............................................15' 5" Over Cooling Fan Guards....................................15' 7.6" Over Dynamic Brake Fan Guard...............................15' 7.2" Over Dust Bin Blower Hatch.................................15' 7.7" Over Air Horn.............................................15' 11.2" Weight (Max)..............................................435,000 lbs Minimum Curve Negotiation Single Unit....................................27.4º (209 ft. radius) Two Coupled Units..............................21.2º (270 ft. radius) Single Unit Coupled to 50 Ft. Box Car........15.9º (361.3 ft. radius) Options Air Compressor..............................................Motorized Air Conditioner...........................................Under Floor Air Horn.........................................Nathan-AirChime K3HA Alignment Control Couplers........................................Yes Cab Signals....................................................UP/CNW Cab Heater...................................................Electric Distributive Power............................................... <-- Ditch Lights...............................................Front Only Electronic Engine Control.........................................Yes Emergency Cranking Receptacles.................................... <-- Flange Lubricators................................................Yes Harmon Ultra Cab II...............................................Yes Intergrated Cab Electronics.......................................Yes Locomotive Speed Limitor...........................................No Microprocessor.................................................EM2000 Parking Brake.............................Electric w/ Manual Override Radio...........................................All Channel Clean Cab Remote Control.....................................................No Snow Plow..................................................Front Only Speed Recorder/Indicator......................................EMD ICE Spotter...........................................................Yes Toilet.......................................................Chemical Water Cooler............................................Refridgerator Fuel Preheat......................................................Yes Main Engine Start......................................Air & Electric Other Sound Level....................................................Passby Idle........................................................ <-- Max. Throtle............................................... <-- Sources: Wikipedia.org SD90MAC/6000 Operation Manual 2nd Edition 9/1997
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